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Newly Updated Circuit Projects:

SG 3525 Automatic PWM Voltage Regulation Circuit

Last Updated on May 10, 2025 by Swagatam 12 Comments

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In this post I have explained a simple configuration which can be added with all SG 3525/3524 inverter circuits for implementing automatic PWM output voltage regulation by the IC. The solution was requested by Mr. Felix Anthony. The Circuit Problem: Sir, I would need your help on a project about a schematic that I do […]

Filed Under: Voltage Control and Protection Tagged With: 3525, Automatic, PWM, Regulation, SG, Voltage

USB 5V To 24V DC to DC Boost Power Regulator Module

Last Updated on May 9, 2025 by Swagatam Leave a Comment

This is a USB 5V to 24V Adjustable Boost Converter Module and it helps us step up a lower voltage into a higher voltage which we can adjust as needed. Now let us go through everything in detail step by step. Inputs – Where We Give Power Now we got three ways to power this […]

Filed Under: Voltage Control and Protection Tagged With: 24v, Boost, DC, Power, Regulator, USB

DC-DC Boost Module (0.9V~5V) to 5V 600mA USB Step-up Board

Last Updated on May 9, 2025 by Swagatam Leave a Comment

So this is a DC-DC boost converter that takes a low voltage (0.9V to 5V) and steps it up to a stable 5V. We use this when we have a small battery, but we need 5V output, like for USB devices. It is super useful for battery-powered projects and small electronics. Main Features How It […]

Filed Under: Power Supply Circuits Tagged With: 600mA, Boost, DC, Module, Step, USB

Reed Switch Sensor Module Explained with Circuit Diagram

Last Updated on April 30, 2025 by Swagatam 2 Comments

Here we will try to understand this reed switch sensor module which may look small and nothing much, but it is actually very useful thing when we want to detect a magnetic field or just want to know if a magnet is coming closer or going away. This thing is called a reed switch sensor […]

Filed Under: Sensors and Detectors Tagged With: Explained, Module, Reed, Sensor, Switch

Impact Collision Switch Sensor Module and Circuit Diagram

Last Updated on April 28, 2025 by Swagatam 4 Comments

Here we are going to learn about a very interesting small sensor called the Impact Collision Switch Sensor Module. This module is super simple but very useful especially when we want to detect a shock, collision, hit or a sudden tap on a surface. Now let us go step-by-step to understand everything about it. What […]

Filed Under: Security and Alarm, Sensors and Detectors Tagged With: Collision, Impact, Module, Sensor, Switch

Adjustable 1.2V to100V DC Buck Converter Circuit using LM5164

Last Updated on April 25, 2025 by Swagatam 10 Comments

Ok now we have this LM5164 chip, and we want to drop voltage from 100V down to let’s say 12V, right? But we also need 1A output so we need to design everything properly. Now this chip is cool because it has ultra-low quiescent current (IQ) so it does not waste much power when it […]

Filed Under: Power Supply Circuits Tagged With: Adjustable, Buck, Converter, DC, LM5164, to100V

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